Pavel Roskin | 99e06e3 | 2008-10-13 14:33:13 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2002,2003 Oliver Kurth |
| 3 | * (c) 2003,2004 Joerg Albert <joerg.albert@gmx.de> |
| 4 | * (c) 2007 Guido Guenther <agx@sigxcpu.org> |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or |
| 7 | * modify it under the terms of the GNU General Public License as |
| 8 | * published by the Free Software Foundation; either version 2 of |
| 9 | * the License, or (at your option) any later version. |
| 10 | * |
| 11 | * This driver was based on information from the Sourceforge driver |
| 12 | * released and maintained by Atmel: |
| 13 | * |
| 14 | * http://sourceforge.net/projects/atmelwlandriver/ |
| 15 | * |
| 16 | * Although the code was completely re-written, |
| 17 | * it would have been impossible without Atmel's decision to |
| 18 | * release an Open Source driver (unfortunately the firmware was |
| 19 | * kept binary only). Thanks for that decision to Atmel! |
| 20 | */ |
| 21 | |
| 22 | #ifndef _AT76_USB_H |
| 23 | #define _AT76_USB_H |
| 24 | |
Kalle Valo | f494b66 | 2009-02-22 14:04:34 +0200 | [diff] [blame] | 25 | /* |
| 26 | * ieee80211 definitions copied from net/ieee80211.h |
| 27 | */ |
| 28 | |
| 29 | #define WEP_KEY_LEN 13 |
| 30 | #define WEP_KEYS 4 |
| 31 | |
| 32 | #define IEEE80211_DATA_LEN 2304 |
| 33 | /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section |
| 34 | 6.2.1.1.2. |
| 35 | |
| 36 | The figure in section 7.1.2 suggests a body size of up to 2312 |
| 37 | bytes is allowed, which is a bit confusing, I suspect this |
| 38 | represents the 2304 bytes of real data, plus a possible 8 bytes of |
| 39 | WEP IV and ICV. (this interpretation suggested by Ramiro Barreiro) */ |
| 40 | |
| 41 | #define IEEE80211_1ADDR_LEN 10 |
| 42 | #define IEEE80211_2ADDR_LEN 16 |
| 43 | #define IEEE80211_3ADDR_LEN 24 |
| 44 | #define IEEE80211_4ADDR_LEN 30 |
| 45 | #define IEEE80211_FCS_LEN 4 |
| 46 | #define IEEE80211_HLEN (IEEE80211_4ADDR_LEN) |
| 47 | #define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN) |
| 48 | |
| 49 | #define MIN_FRAG_THRESHOLD 256U |
| 50 | #define MAX_FRAG_THRESHOLD 2346U |
| 51 | |
| 52 | struct ieee80211_info_element { |
| 53 | u8 id; |
| 54 | u8 len; |
| 55 | u8 data[0]; |
| 56 | } __attribute__ ((packed)); |
| 57 | |
| 58 | struct ieee80211_hdr_3addr { |
| 59 | __le16 frame_ctl; |
| 60 | __le16 duration_id; |
| 61 | u8 addr1[ETH_ALEN]; |
| 62 | u8 addr2[ETH_ALEN]; |
| 63 | u8 addr3[ETH_ALEN]; |
| 64 | __le16 seq_ctl; |
| 65 | u8 payload[0]; |
| 66 | } __attribute__ ((packed)); |
| 67 | |
| 68 | struct ieee80211_auth { |
| 69 | struct ieee80211_hdr_3addr header; |
| 70 | __le16 algorithm; |
| 71 | __le16 transaction; |
| 72 | __le16 status; |
| 73 | /* challenge */ |
| 74 | struct ieee80211_info_element info_element[0]; |
| 75 | } __attribute__ ((packed)); |
| 76 | |
| 77 | struct ieee80211_assoc_request { |
| 78 | struct ieee80211_hdr_3addr header; |
| 79 | __le16 capability; |
| 80 | __le16 listen_interval; |
| 81 | /* SSID, supported rates, RSN */ |
| 82 | struct ieee80211_info_element info_element[0]; |
| 83 | } __attribute__ ((packed)); |
| 84 | |
| 85 | struct ieee80211_probe_response { |
| 86 | struct ieee80211_hdr_3addr header; |
| 87 | __le32 time_stamp[2]; |
| 88 | __le16 beacon_interval; |
| 89 | __le16 capability; |
| 90 | /* SSID, supported rates, FH params, DS params, |
| 91 | * CF params, IBSS params, TIM (if beacon), RSN */ |
| 92 | struct ieee80211_info_element info_element[0]; |
| 93 | } __attribute__ ((packed)); |
| 94 | |
| 95 | /* Alias beacon for probe_response */ |
| 96 | #define ieee80211_beacon ieee80211_probe_response |
| 97 | |
| 98 | struct ieee80211_assoc_response { |
| 99 | struct ieee80211_hdr_3addr header; |
| 100 | __le16 capability; |
| 101 | __le16 status; |
| 102 | __le16 aid; |
| 103 | /* supported rates */ |
| 104 | struct ieee80211_info_element info_element[0]; |
| 105 | } __attribute__ ((packed)); |
| 106 | |
| 107 | struct ieee80211_disassoc { |
| 108 | struct ieee80211_hdr_3addr header; |
| 109 | __le16 reason; |
| 110 | } __attribute__ ((packed)); |
| 111 | |
Pavel Roskin | 99e06e3 | 2008-10-13 14:33:13 -0700 | [diff] [blame] | 112 | /* Board types */ |
| 113 | enum board_type { |
| 114 | BOARD_503_ISL3861 = 1, |
| 115 | BOARD_503_ISL3863 = 2, |
| 116 | BOARD_503 = 3, |
| 117 | BOARD_503_ACC = 4, |
| 118 | BOARD_505 = 5, |
| 119 | BOARD_505_2958 = 6, |
| 120 | BOARD_505A = 7, |
| 121 | BOARD_505AMX = 8 |
| 122 | }; |
| 123 | |
Greg Kroah-Hartman | 89cb7e7 | 2009-02-03 16:28:48 -0800 | [diff] [blame] | 124 | /* our private ioctl's */ |
| 125 | /* preamble length (0 - long, 1 - short, 2 - auto) */ |
| 126 | #define AT76_SET_SHORT_PREAMBLE (SIOCIWFIRSTPRIV + 0) |
| 127 | #define AT76_GET_SHORT_PREAMBLE (SIOCIWFIRSTPRIV + 1) |
| 128 | /* which debug channels are enabled */ |
| 129 | #define AT76_SET_DEBUG (SIOCIWFIRSTPRIV + 2) |
| 130 | #define AT76_GET_DEBUG (SIOCIWFIRSTPRIV + 3) |
| 131 | /* power save mode (incl. the Atmel proprietary smart save mode) */ |
| 132 | #define AT76_SET_POWERSAVE_MODE (SIOCIWFIRSTPRIV + 4) |
| 133 | #define AT76_GET_POWERSAVE_MODE (SIOCIWFIRSTPRIV + 5) |
| 134 | /* min and max channel times for scan */ |
| 135 | #define AT76_SET_SCAN_TIMES (SIOCIWFIRSTPRIV + 6) |
| 136 | #define AT76_GET_SCAN_TIMES (SIOCIWFIRSTPRIV + 7) |
| 137 | /* scan mode (0 - active, 1 - passive) */ |
| 138 | #define AT76_SET_SCAN_MODE (SIOCIWFIRSTPRIV + 8) |
| 139 | #define AT76_GET_SCAN_MODE (SIOCIWFIRSTPRIV + 9) |
| 140 | |
Pavel Roskin | 99e06e3 | 2008-10-13 14:33:13 -0700 | [diff] [blame] | 141 | #define CMD_STATUS_IDLE 0x00 |
| 142 | #define CMD_STATUS_COMPLETE 0x01 |
| 143 | #define CMD_STATUS_UNKNOWN 0x02 |
| 144 | #define CMD_STATUS_INVALID_PARAMETER 0x03 |
| 145 | #define CMD_STATUS_FUNCTION_NOT_SUPPORTED 0x04 |
| 146 | #define CMD_STATUS_TIME_OUT 0x07 |
| 147 | #define CMD_STATUS_IN_PROGRESS 0x08 |
| 148 | #define CMD_STATUS_HOST_FAILURE 0xff |
| 149 | #define CMD_STATUS_SCAN_FAILED 0xf0 |
| 150 | |
| 151 | /* answers to get op mode */ |
| 152 | #define OPMODE_NONE 0x00 |
| 153 | #define OPMODE_NORMAL_NIC_WITH_FLASH 0x01 |
| 154 | #define OPMODE_HW_CONFIG_MODE 0x02 |
| 155 | #define OPMODE_DFU_MODE_WITH_FLASH 0x03 |
| 156 | #define OPMODE_NORMAL_NIC_WITHOUT_FLASH 0x04 |
| 157 | |
| 158 | #define CMD_SET_MIB 0x01 |
| 159 | #define CMD_GET_MIB 0x02 |
| 160 | #define CMD_SCAN 0x03 |
| 161 | #define CMD_JOIN 0x04 |
| 162 | #define CMD_START_IBSS 0x05 |
| 163 | #define CMD_RADIO_ON 0x06 |
| 164 | #define CMD_RADIO_OFF 0x07 |
| 165 | #define CMD_STARTUP 0x0B |
| 166 | |
| 167 | #define MIB_LOCAL 0x01 |
| 168 | #define MIB_MAC_ADDR 0x02 |
| 169 | #define MIB_MAC 0x03 |
| 170 | #define MIB_MAC_MGMT 0x05 |
| 171 | #define MIB_MAC_WEP 0x06 |
| 172 | #define MIB_PHY 0x07 |
| 173 | #define MIB_FW_VERSION 0x08 |
| 174 | #define MIB_MDOMAIN 0x09 |
| 175 | |
| 176 | #define ADHOC_MODE 1 |
| 177 | #define INFRASTRUCTURE_MODE 2 |
| 178 | |
| 179 | /* values for struct mib_local, field preamble_type */ |
| 180 | #define PREAMBLE_TYPE_LONG 0 |
| 181 | #define PREAMBLE_TYPE_SHORT 1 |
| 182 | #define PREAMBLE_TYPE_AUTO 2 |
| 183 | |
| 184 | /* values for tx_rate */ |
| 185 | #define TX_RATE_1MBIT 0 |
| 186 | #define TX_RATE_2MBIT 1 |
| 187 | #define TX_RATE_5_5MBIT 2 |
| 188 | #define TX_RATE_11MBIT 3 |
| 189 | #define TX_RATE_AUTO 4 |
| 190 | |
| 191 | /* power management modes */ |
| 192 | #define AT76_PM_OFF 1 |
| 193 | #define AT76_PM_ON 2 |
| 194 | #define AT76_PM_SMART 3 |
| 195 | |
| 196 | struct hwcfg_r505 { |
| 197 | u8 cr39_values[14]; |
| 198 | u8 reserved1[14]; |
| 199 | u8 bb_cr[14]; |
| 200 | u8 pidvid[4]; |
| 201 | u8 mac_addr[ETH_ALEN]; |
| 202 | u8 regulatory_domain; |
| 203 | u8 reserved2[14]; |
| 204 | u8 cr15_values[14]; |
| 205 | u8 reserved3[3]; |
| 206 | } __attribute__((packed)); |
| 207 | |
| 208 | struct hwcfg_rfmd { |
| 209 | u8 cr20_values[14]; |
| 210 | u8 cr21_values[14]; |
| 211 | u8 bb_cr[14]; |
| 212 | u8 pidvid[4]; |
| 213 | u8 mac_addr[ETH_ALEN]; |
| 214 | u8 regulatory_domain; |
| 215 | u8 low_power_values[14]; |
| 216 | u8 normal_power_values[14]; |
| 217 | u8 reserved1[3]; |
| 218 | } __attribute__((packed)); |
| 219 | |
| 220 | struct hwcfg_intersil { |
| 221 | u8 mac_addr[ETH_ALEN]; |
| 222 | u8 cr31_values[14]; |
| 223 | u8 cr58_values[14]; |
| 224 | u8 pidvid[4]; |
| 225 | u8 regulatory_domain; |
| 226 | u8 reserved[1]; |
| 227 | } __attribute__((packed)); |
| 228 | |
| 229 | union at76_hwcfg { |
| 230 | struct hwcfg_intersil i; |
| 231 | struct hwcfg_rfmd r3; |
| 232 | struct hwcfg_r505 r5; |
| 233 | }; |
| 234 | |
| 235 | #define WEP_SMALL_KEY_LEN (40 / 8) |
| 236 | #define WEP_LARGE_KEY_LEN (104 / 8) |
| 237 | |
| 238 | struct at76_card_config { |
| 239 | u8 exclude_unencrypted; |
| 240 | u8 promiscuous_mode; |
| 241 | u8 short_retry_limit; |
| 242 | u8 encryption_type; |
| 243 | __le16 rts_threshold; |
| 244 | __le16 fragmentation_threshold; /* 256..2346 */ |
| 245 | u8 basic_rate_set[4]; |
| 246 | u8 auto_rate_fallback; /* 0,1 */ |
| 247 | u8 channel; |
| 248 | u8 privacy_invoked; |
| 249 | u8 wep_default_key_id; /* 0..3 */ |
| 250 | u8 current_ssid[32]; |
Greg Kroah-Hartman | 89cb7e7 | 2009-02-03 16:28:48 -0800 | [diff] [blame] | 251 | u8 wep_default_key_value[4][WEP_KEY_LEN]; |
Pavel Roskin | 99e06e3 | 2008-10-13 14:33:13 -0700 | [diff] [blame] | 252 | u8 ssid_len; |
| 253 | u8 short_preamble; |
| 254 | __le16 beacon_period; |
| 255 | } __attribute__((packed)); |
| 256 | |
| 257 | struct at76_command { |
| 258 | u8 cmd; |
| 259 | u8 reserved; |
| 260 | __le16 size; |
| 261 | u8 data[0]; |
| 262 | } __attribute__((packed)); |
| 263 | |
| 264 | /* Length of Atmel-specific Rx header before 802.11 frame */ |
| 265 | #define AT76_RX_HDRLEN offsetof(struct at76_rx_buffer, packet) |
| 266 | |
| 267 | struct at76_rx_buffer { |
| 268 | __le16 wlength; |
| 269 | u8 rx_rate; |
| 270 | u8 newbss; |
| 271 | u8 fragmentation; |
| 272 | u8 rssi; |
| 273 | u8 link_quality; |
| 274 | u8 noise_level; |
| 275 | __le32 rx_time; |
Greg Kroah-Hartman | 89cb7e7 | 2009-02-03 16:28:48 -0800 | [diff] [blame] | 276 | u8 packet[IEEE80211_FRAME_LEN + IEEE80211_FCS_LEN]; |
Pavel Roskin | 99e06e3 | 2008-10-13 14:33:13 -0700 | [diff] [blame] | 277 | } __attribute__((packed)); |
| 278 | |
| 279 | /* Length of Atmel-specific Tx header before 802.11 frame */ |
| 280 | #define AT76_TX_HDRLEN offsetof(struct at76_tx_buffer, packet) |
| 281 | |
| 282 | struct at76_tx_buffer { |
| 283 | __le16 wlength; |
| 284 | u8 tx_rate; |
| 285 | u8 padding; |
Greg Kroah-Hartman | 89cb7e7 | 2009-02-03 16:28:48 -0800 | [diff] [blame] | 286 | u8 reserved[4]; |
| 287 | u8 packet[IEEE80211_FRAME_LEN + IEEE80211_FCS_LEN]; |
Pavel Roskin | 99e06e3 | 2008-10-13 14:33:13 -0700 | [diff] [blame] | 288 | } __attribute__((packed)); |
| 289 | |
| 290 | /* defines for scan_type below */ |
| 291 | #define SCAN_TYPE_ACTIVE 0 |
| 292 | #define SCAN_TYPE_PASSIVE 1 |
| 293 | |
| 294 | struct at76_req_scan { |
| 295 | u8 bssid[ETH_ALEN]; |
| 296 | u8 essid[32]; |
| 297 | u8 scan_type; |
| 298 | u8 channel; |
| 299 | __le16 probe_delay; |
| 300 | __le16 min_channel_time; |
| 301 | __le16 max_channel_time; |
| 302 | u8 essid_size; |
| 303 | u8 international_scan; |
| 304 | } __attribute__((packed)); |
| 305 | |
| 306 | struct at76_req_ibss { |
| 307 | u8 bssid[ETH_ALEN]; |
| 308 | u8 essid[32]; |
| 309 | u8 bss_type; |
| 310 | u8 channel; |
| 311 | u8 essid_size; |
| 312 | u8 reserved[3]; |
| 313 | } __attribute__((packed)); |
| 314 | |
| 315 | struct at76_req_join { |
| 316 | u8 bssid[ETH_ALEN]; |
| 317 | u8 essid[32]; |
| 318 | u8 bss_type; |
| 319 | u8 channel; |
| 320 | __le16 timeout; |
| 321 | u8 essid_size; |
| 322 | u8 reserved; |
| 323 | } __attribute__((packed)); |
| 324 | |
| 325 | struct set_mib_buffer { |
| 326 | u8 type; |
| 327 | u8 size; |
| 328 | u8 index; |
| 329 | u8 reserved; |
| 330 | union { |
| 331 | u8 byte; |
| 332 | __le16 word; |
| 333 | u8 addr[ETH_ALEN]; |
| 334 | } data; |
| 335 | } __attribute__((packed)); |
| 336 | |
| 337 | struct mib_local { |
| 338 | u16 reserved0; |
| 339 | u8 beacon_enable; |
| 340 | u8 txautorate_fallback; |
| 341 | u8 reserved1; |
| 342 | u8 ssid_size; |
| 343 | u8 promiscuous_mode; |
| 344 | u16 reserved2; |
| 345 | u8 preamble_type; |
| 346 | u16 reserved3; |
| 347 | } __attribute__((packed)); |
| 348 | |
| 349 | struct mib_mac_addr { |
| 350 | u8 mac_addr[ETH_ALEN]; |
| 351 | u8 res[2]; /* ??? */ |
| 352 | u8 group_addr[4][ETH_ALEN]; |
| 353 | u8 group_addr_status[4]; |
| 354 | } __attribute__((packed)); |
| 355 | |
| 356 | struct mib_mac { |
| 357 | __le32 max_tx_msdu_lifetime; |
| 358 | __le32 max_rx_lifetime; |
| 359 | __le16 frag_threshold; |
| 360 | __le16 rts_threshold; |
| 361 | __le16 cwmin; |
| 362 | __le16 cwmax; |
| 363 | u8 short_retry_time; |
| 364 | u8 long_retry_time; |
| 365 | u8 scan_type; /* active or passive */ |
| 366 | u8 scan_channel; |
| 367 | __le16 probe_delay; /* delay before ProbeReq in active scan, RO */ |
| 368 | __le16 min_channel_time; |
| 369 | __le16 max_channel_time; |
| 370 | __le16 listen_interval; |
| 371 | u8 desired_ssid[32]; |
| 372 | u8 desired_bssid[ETH_ALEN]; |
| 373 | u8 desired_bsstype; /* ad-hoc or infrastructure */ |
| 374 | u8 reserved2; |
| 375 | } __attribute__((packed)); |
| 376 | |
| 377 | struct mib_mac_mgmt { |
| 378 | __le16 beacon_period; |
| 379 | __le16 CFP_max_duration; |
| 380 | __le16 medium_occupancy_limit; |
| 381 | __le16 station_id; /* assoc id */ |
| 382 | __le16 ATIM_window; |
| 383 | u8 CFP_mode; |
| 384 | u8 privacy_option_implemented; |
| 385 | u8 DTIM_period; |
| 386 | u8 CFP_period; |
| 387 | u8 current_bssid[ETH_ALEN]; |
| 388 | u8 current_essid[32]; |
| 389 | u8 current_bss_type; |
| 390 | u8 power_mgmt_mode; |
| 391 | /* rfmd and 505 */ |
| 392 | u8 ibss_change; |
| 393 | u8 res; |
| 394 | u8 multi_domain_capability_implemented; |
| 395 | u8 multi_domain_capability_enabled; |
| 396 | u8 country_string[3]; |
| 397 | u8 reserved[3]; |
| 398 | } __attribute__((packed)); |
| 399 | |
| 400 | struct mib_mac_wep { |
| 401 | u8 privacy_invoked; /* 0 disable encr., 1 enable encr */ |
| 402 | u8 wep_default_key_id; |
| 403 | u8 wep_key_mapping_len; |
| 404 | u8 exclude_unencrypted; |
| 405 | __le32 wep_icv_error_count; |
| 406 | __le32 wep_excluded_count; |
Greg Kroah-Hartman | 89cb7e7 | 2009-02-03 16:28:48 -0800 | [diff] [blame] | 407 | u8 wep_default_keyvalue[WEP_KEYS][WEP_KEY_LEN]; |
Pavel Roskin | 99e06e3 | 2008-10-13 14:33:13 -0700 | [diff] [blame] | 408 | u8 encryption_level; /* 1 for 40bit, 2 for 104bit encryption */ |
| 409 | } __attribute__((packed)); |
| 410 | |
| 411 | struct mib_phy { |
| 412 | __le32 ed_threshold; |
| 413 | |
| 414 | __le16 slot_time; |
| 415 | __le16 sifs_time; |
| 416 | __le16 preamble_length; |
| 417 | __le16 plcp_header_length; |
| 418 | __le16 mpdu_max_length; |
| 419 | __le16 cca_mode_supported; |
| 420 | |
| 421 | u8 operation_rate_set[4]; |
| 422 | u8 channel_id; |
| 423 | u8 current_cca_mode; |
| 424 | u8 phy_type; |
| 425 | u8 current_reg_domain; |
| 426 | } __attribute__((packed)); |
| 427 | |
| 428 | struct mib_fw_version { |
| 429 | u8 major; |
| 430 | u8 minor; |
| 431 | u8 patch; |
| 432 | u8 build; |
| 433 | } __attribute__((packed)); |
| 434 | |
| 435 | struct mib_mdomain { |
| 436 | u8 tx_powerlevel[14]; |
| 437 | u8 channel_list[14]; /* 0 for invalid channels */ |
| 438 | } __attribute__((packed)); |
| 439 | |
| 440 | struct at76_fw_header { |
| 441 | __le32 crc; /* CRC32 of the whole image */ |
| 442 | __le32 board_type; /* firmware compatibility code */ |
| 443 | u8 build; /* firmware build number */ |
| 444 | u8 patch; /* firmware patch level */ |
| 445 | u8 minor; /* firmware minor version */ |
| 446 | u8 major; /* firmware major version */ |
| 447 | __le32 str_offset; /* offset of the copyright string */ |
| 448 | __le32 int_fw_offset; /* internal firmware image offset */ |
| 449 | __le32 int_fw_len; /* internal firmware image length */ |
| 450 | __le32 ext_fw_offset; /* external firmware image offset */ |
| 451 | __le32 ext_fw_len; /* external firmware image length */ |
| 452 | } __attribute__((packed)); |
| 453 | |
Greg Kroah-Hartman | 89cb7e7 | 2009-02-03 16:28:48 -0800 | [diff] [blame] | 454 | enum mac_state { |
| 455 | MAC_INIT, |
| 456 | MAC_SCANNING, |
| 457 | MAC_AUTH, |
| 458 | MAC_ASSOC, |
| 459 | MAC_JOINING, |
| 460 | MAC_CONNECTED, |
| 461 | MAC_OWN_IBSS |
| 462 | }; |
| 463 | |
Pavel Roskin | 99e06e3 | 2008-10-13 14:33:13 -0700 | [diff] [blame] | 464 | /* a description of a regulatory domain and the allowed channels */ |
| 465 | struct reg_domain { |
| 466 | u16 code; |
| 467 | char const *name; |
| 468 | u32 channel_map; /* if bit N is set, channel (N+1) is allowed */ |
| 469 | }; |
| 470 | |
Greg Kroah-Hartman | 89cb7e7 | 2009-02-03 16:28:48 -0800 | [diff] [blame] | 471 | /* how long do we keep a (I)BSS in the bss_list in jiffies |
| 472 | this should be long enough for the user to retrieve the table |
| 473 | (by iwlist ?) after the device started, because all entries from |
| 474 | other channels than the one the device locks on get removed, too */ |
| 475 | #define BSS_LIST_TIMEOUT (120 * HZ) |
| 476 | /* struct to store BSS info found during scan */ |
| 477 | #define BSS_LIST_MAX_RATE_LEN 32 /* 32 rates should be enough ... */ |
| 478 | |
| 479 | struct bss_info { |
| 480 | struct list_head list; |
| 481 | |
| 482 | u8 bssid[ETH_ALEN]; /* bssid */ |
| 483 | u8 ssid[IW_ESSID_MAX_SIZE]; /* essid */ |
| 484 | u8 ssid_len; /* length of ssid above */ |
| 485 | u8 channel; |
| 486 | u16 capa; /* BSS capabilities */ |
| 487 | u16 beacon_interval; /* beacon interval, Kus (1024 microseconds) */ |
| 488 | u8 rates[BSS_LIST_MAX_RATE_LEN]; /* supported rates in units of |
| 489 | 500 kbps, ORed with 0x80 for |
| 490 | basic rates */ |
| 491 | u8 rates_len; |
| 492 | |
| 493 | /* quality of received beacon */ |
| 494 | u8 rssi; |
| 495 | u8 link_qual; |
| 496 | u8 noise_level; |
| 497 | |
| 498 | unsigned long last_rx; /* time (jiffies) of last beacon received */ |
| 499 | }; |
| 500 | |
| 501 | /* a rx data buffer to collect rx fragments */ |
| 502 | struct rx_data_buf { |
| 503 | u8 sender[ETH_ALEN]; /* sender address */ |
| 504 | u16 seqnr; /* sequence number */ |
| 505 | u16 fragnr; /* last fragment received */ |
| 506 | unsigned long last_rx; /* jiffies of last rx */ |
| 507 | struct sk_buff *skb; /* == NULL if entry is free */ |
| 508 | }; |
| 509 | |
| 510 | #define NR_RX_DATA_BUF 8 |
| 511 | |
Pavel Roskin | 99e06e3 | 2008-10-13 14:33:13 -0700 | [diff] [blame] | 512 | /* Data for one loaded firmware file */ |
| 513 | struct fwentry { |
| 514 | const char *const fwname; |
| 515 | const struct firmware *fw; |
| 516 | int extfw_size; |
| 517 | int intfw_size; |
| 518 | /* pointer to loaded firmware, no need to free */ |
| 519 | u8 *extfw; /* external firmware, extfw_size bytes long */ |
| 520 | u8 *intfw; /* internal firmware, intfw_size bytes long */ |
| 521 | enum board_type board_type; /* board type */ |
| 522 | struct mib_fw_version fw_version; |
| 523 | int loaded; /* Loaded and parsed successfully */ |
| 524 | }; |
| 525 | |
| 526 | struct at76_priv { |
| 527 | struct usb_device *udev; /* USB device pointer */ |
Greg Kroah-Hartman | 89cb7e7 | 2009-02-03 16:28:48 -0800 | [diff] [blame] | 528 | struct net_device *netdev; /* net device pointer */ |
| 529 | struct net_device_stats stats; /* net device stats */ |
| 530 | struct iw_statistics wstats; /* wireless stats */ |
Pavel Roskin | 99e06e3 | 2008-10-13 14:33:13 -0700 | [diff] [blame] | 531 | |
| 532 | struct sk_buff *rx_skb; /* skbuff for receiving data */ |
| 533 | void *bulk_out_buffer; /* buffer for sending data */ |
| 534 | |
| 535 | struct urb *tx_urb; /* URB for sending data */ |
| 536 | struct urb *rx_urb; /* URB for receiving data */ |
| 537 | |
| 538 | unsigned int tx_pipe; /* bulk out pipe */ |
| 539 | unsigned int rx_pipe; /* bulk in pipe */ |
| 540 | |
| 541 | struct mutex mtx; /* locks this structure */ |
| 542 | |
| 543 | /* work queues */ |
Greg Kroah-Hartman | 89cb7e7 | 2009-02-03 16:28:48 -0800 | [diff] [blame] | 544 | struct work_struct work_assoc_done; |
| 545 | struct work_struct work_join; |
| 546 | struct work_struct work_new_bss; |
| 547 | struct work_struct work_start_scan; |
Pavel Roskin | 99e06e3 | 2008-10-13 14:33:13 -0700 | [diff] [blame] | 548 | struct work_struct work_set_promisc; |
| 549 | struct work_struct work_submit_rx; |
Greg Kroah-Hartman | 89cb7e7 | 2009-02-03 16:28:48 -0800 | [diff] [blame] | 550 | struct delayed_work dwork_restart; |
| 551 | struct delayed_work dwork_get_scan; |
| 552 | struct delayed_work dwork_beacon; |
| 553 | struct delayed_work dwork_auth; |
| 554 | struct delayed_work dwork_assoc; |
Pavel Roskin | 99e06e3 | 2008-10-13 14:33:13 -0700 | [diff] [blame] | 555 | |
| 556 | struct tasklet_struct rx_tasklet; |
| 557 | |
| 558 | /* the WEP stuff */ |
| 559 | int wep_enabled; /* 1 if WEP is enabled */ |
| 560 | int wep_key_id; /* key id to be used */ |
Greg Kroah-Hartman | 89cb7e7 | 2009-02-03 16:28:48 -0800 | [diff] [blame] | 561 | u8 wep_keys[WEP_KEYS][WEP_KEY_LEN]; /* the four WEP keys, |
| 562 | 5 or 13 bytes are used */ |
| 563 | u8 wep_keys_len[WEP_KEYS]; /* the length of the above keys */ |
Pavel Roskin | 99e06e3 | 2008-10-13 14:33:13 -0700 | [diff] [blame] | 564 | |
| 565 | int channel; |
| 566 | int iw_mode; |
| 567 | u8 bssid[ETH_ALEN]; |
| 568 | u8 essid[IW_ESSID_MAX_SIZE]; |
| 569 | int essid_size; |
| 570 | int radio_on; |
| 571 | int promisc; |
| 572 | |
| 573 | int preamble_type; /* 0 - long, 1 - short, 2 - auto */ |
| 574 | int auth_mode; /* authentication type: 0 open, 1 shared key */ |
| 575 | int txrate; /* 0,1,2,3 = 1,2,5.5,11 Mbps, 4 is auto */ |
| 576 | int frag_threshold; /* threshold for fragmentation of tx packets */ |
| 577 | int rts_threshold; /* threshold for RTS mechanism */ |
| 578 | int short_retry_limit; |
| 579 | |
| 580 | int scan_min_time; /* scan min channel time */ |
| 581 | int scan_max_time; /* scan max channel time */ |
| 582 | int scan_mode; /* SCAN_TYPE_ACTIVE, SCAN_TYPE_PASSIVE */ |
| 583 | int scan_need_any; /* if set, need to scan for any ESSID */ |
| 584 | |
Greg Kroah-Hartman | 89cb7e7 | 2009-02-03 16:28:48 -0800 | [diff] [blame] | 585 | /* the list we got from scanning */ |
| 586 | spinlock_t bss_list_spinlock; /* protects bss_list operations */ |
| 587 | struct list_head bss_list; /* list of BSS we got beacons from */ |
| 588 | struct timer_list bss_list_timer; /* timer to purge old entries |
| 589 | from bss_list */ |
| 590 | struct bss_info *curr_bss; /* current BSS */ |
Pavel Roskin | 99e06e3 | 2008-10-13 14:33:13 -0700 | [diff] [blame] | 591 | u16 assoc_id; /* current association ID, if associated */ |
| 592 | |
Greg Kroah-Hartman | 89cb7e7 | 2009-02-03 16:28:48 -0800 | [diff] [blame] | 593 | u8 wanted_bssid[ETH_ALEN]; |
| 594 | int wanted_bssid_valid; /* != 0 if wanted_bssid is to be used */ |
| 595 | |
| 596 | /* some data for infrastructure mode only */ |
| 597 | spinlock_t mgmt_spinlock; /* this spinlock protects access to |
| 598 | next_mgmt_bulk */ |
| 599 | |
| 600 | struct at76_tx_buffer *next_mgmt_bulk; /* pending management msg to |
| 601 | send via bulk out */ |
| 602 | enum mac_state mac_state; |
| 603 | enum { |
| 604 | SCAN_IDLE, |
| 605 | SCAN_IN_PROGRESS, |
| 606 | SCAN_COMPLETED |
| 607 | } scan_state; |
| 608 | time_t last_scan; |
| 609 | |
| 610 | int retries; /* remaining retries in case of timeout when |
| 611 | * sending AuthReq or AssocReq */ |
Pavel Roskin | 99e06e3 | 2008-10-13 14:33:13 -0700 | [diff] [blame] | 612 | u8 pm_mode; /* power management mode */ |
| 613 | u32 pm_period; /* power management period in microseconds */ |
| 614 | |
| 615 | struct reg_domain const *domain; /* reg domain description */ |
| 616 | |
Greg Kroah-Hartman | 89cb7e7 | 2009-02-03 16:28:48 -0800 | [diff] [blame] | 617 | /* iwspy support */ |
| 618 | spinlock_t spy_spinlock; |
| 619 | struct iw_spy_data spy_data; |
| 620 | |
| 621 | struct iw_public_data wireless_data; |
| 622 | |
Pavel Roskin | 99e06e3 | 2008-10-13 14:33:13 -0700 | [diff] [blame] | 623 | /* These fields contain HW config provided by the device (not all of |
| 624 | * these fields are used by all board types) */ |
| 625 | u8 mac_addr[ETH_ALEN]; |
| 626 | u8 regulatory_domain; |
| 627 | |
| 628 | struct at76_card_config card_config; |
| 629 | |
Greg Kroah-Hartman | 89cb7e7 | 2009-02-03 16:28:48 -0800 | [diff] [blame] | 630 | /* store rx fragments until complete */ |
| 631 | struct rx_data_buf rx_data[NR_RX_DATA_BUF]; |
| 632 | |
Pavel Roskin | 99e06e3 | 2008-10-13 14:33:13 -0700 | [diff] [blame] | 633 | enum board_type board_type; |
| 634 | struct mib_fw_version fw_version; |
| 635 | |
| 636 | unsigned int device_unplugged:1; |
| 637 | unsigned int netdev_registered:1; |
| 638 | struct set_mib_buffer mib_buf; /* global buffer for set_mib calls */ |
| 639 | |
Greg Kroah-Hartman | 89cb7e7 | 2009-02-03 16:28:48 -0800 | [diff] [blame] | 640 | /* beacon counting */ |
Pavel Roskin | 99e06e3 | 2008-10-13 14:33:13 -0700 | [diff] [blame] | 641 | int beacon_period; /* period of mgmt beacons, Kus */ |
Greg Kroah-Hartman | 89cb7e7 | 2009-02-03 16:28:48 -0800 | [diff] [blame] | 642 | int beacons_received; |
| 643 | unsigned long beacons_last_qual; /* time we restarted counting |
| 644 | beacons */ |
Pavel Roskin | 99e06e3 | 2008-10-13 14:33:13 -0700 | [diff] [blame] | 645 | }; |
| 646 | |
Greg Kroah-Hartman | 89cb7e7 | 2009-02-03 16:28:48 -0800 | [diff] [blame] | 647 | struct at76_rx_radiotap { |
| 648 | struct ieee80211_radiotap_header rt_hdr; |
| 649 | __le64 rt_tsft; |
| 650 | u8 rt_flags; |
| 651 | u8 rt_rate; |
| 652 | s8 rt_signal; |
| 653 | s8 rt_noise; |
| 654 | }; |
Pavel Roskin | 99e06e3 | 2008-10-13 14:33:13 -0700 | [diff] [blame] | 655 | |
Greg Kroah-Hartman | 89cb7e7 | 2009-02-03 16:28:48 -0800 | [diff] [blame] | 656 | #define AT76_RX_RADIOTAP_PRESENT \ |
| 657 | ((1 << IEEE80211_RADIOTAP_TSFT) | \ |
| 658 | (1 << IEEE80211_RADIOTAP_FLAGS) | \ |
| 659 | (1 << IEEE80211_RADIOTAP_RATE) | \ |
| 660 | (1 << IEEE80211_RADIOTAP_DB_ANTSIGNAL) | \ |
| 661 | (1 << IEEE80211_RADIOTAP_DB_ANTNOISE)) |
| 662 | |
| 663 | #define BEACON_MAX_DATA_LENGTH 1500 |
| 664 | |
| 665 | /* the maximum size of an AssocReq packet */ |
| 666 | #define ASSOCREQ_MAX_SIZE \ |
| 667 | (AT76_TX_HDRLEN + sizeof(struct ieee80211_assoc_request) + \ |
| 668 | 1 + 1 + IW_ESSID_MAX_SIZE + 1 + 1 + 4) |
| 669 | |
| 670 | /* for shared secret auth, add the challenge text size */ |
| 671 | #define AUTH_FRAME_SIZE (AT76_TX_HDRLEN + sizeof(struct ieee80211_auth)) |
| 672 | |
| 673 | /* Maximal number of AuthReq retries */ |
| 674 | #define AUTH_RETRIES 3 |
| 675 | |
| 676 | /* Maximal number of AssocReq retries */ |
| 677 | #define ASSOC_RETRIES 3 |
| 678 | |
| 679 | /* Beacon timeout in managed mode when we are connected */ |
| 680 | #define BEACON_TIMEOUT (10 * HZ) |
| 681 | |
| 682 | /* Timeout for authentication response */ |
| 683 | #define AUTH_TIMEOUT (1 * HZ) |
| 684 | |
| 685 | /* Timeout for association response */ |
| 686 | #define ASSOC_TIMEOUT (1 * HZ) |
| 687 | |
| 688 | /* Polling interval when scan is running */ |
Pavel Roskin | 99e06e3 | 2008-10-13 14:33:13 -0700 | [diff] [blame] | 689 | #define SCAN_POLL_INTERVAL (HZ / 4) |
| 690 | |
Greg Kroah-Hartman | 89cb7e7 | 2009-02-03 16:28:48 -0800 | [diff] [blame] | 691 | /* Command completion timeout */ |
Pavel Roskin | 99e06e3 | 2008-10-13 14:33:13 -0700 | [diff] [blame] | 692 | #define CMD_COMPLETION_TIMEOUT (5 * HZ) |
| 693 | |
| 694 | #define DEF_RTS_THRESHOLD 1536 |
| 695 | #define DEF_FRAG_THRESHOLD 1536 |
| 696 | #define DEF_SHORT_RETRY_LIMIT 8 |
| 697 | #define DEF_CHANNEL 10 |
| 698 | #define DEF_SCAN_MIN_TIME 10 |
| 699 | #define DEF_SCAN_MAX_TIME 120 |
| 700 | |
Greg Kroah-Hartman | 89cb7e7 | 2009-02-03 16:28:48 -0800 | [diff] [blame] | 701 | #define MAX_RTS_THRESHOLD (MAX_FRAG_THRESHOLD + 1) |
| 702 | |
Pavel Roskin | 99e06e3 | 2008-10-13 14:33:13 -0700 | [diff] [blame] | 703 | /* the max padding size for tx in bytes (see calc_padding) */ |
| 704 | #define MAX_PADDING_SIZE 53 |
| 705 | |
| 706 | #endif /* _AT76_USB_H */ |